From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 20 Jun 2016 21:40:02 +0000 (+0000)
Subject: 	PR rtl-optimization/71591
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=232a3df7d1034ea2be9b050035c7e11db089005f;p=thirdparty%2Fgcc.git

	PR rtl-optimization/71591
	* toplev.c (toplev::run_self_tests): If no_backend, complain and
	don't run any tests.

	* gcc.dg/cpp/pr71591.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237620 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c76c39b7343a..d4b3aae5d6d6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-06-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/71591
+	* toplev.c (toplev::run_self_tests): If no_backend, complain and
+	don't run any tests.
+
 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 
 	PR target/71571
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 96b664d39a54..4b966e956bc9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/71591
+	* gcc.dg/cpp/pr71591.c: New test.
+
 2016-06-20   David B. Robins  <gcc@davidrobins.net>
 
 	PR target/71571
diff --git a/gcc/testsuite/gcc.dg/cpp/pr71591.c b/gcc/testsuite/gcc.dg/cpp/pr71591.c
new file mode 100644
index 000000000000..e92cb529e600
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/pr71591.c
@@ -0,0 +1,5 @@
+/* PR rtl-optimization/71591 */
+/* { dg-do preprocess } */
+/* { dg-options "-fself-test" } */
+
+/* { dg-message "self-tests incompatible with -E" "" { target *-*-* } 0 } */
diff --git a/gcc/toplev.c b/gcc/toplev.c
index f51d2cb2b77e..da80097eb5b3 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -2047,6 +2047,11 @@ toplev::start_timevars ()
 void
 toplev::run_self_tests ()
 {
+  if (no_backend)
+    {
+      error_at (UNKNOWN_LOCATION, "self-tests incompatible with -E");
+      return;
+    }
 #if CHECKING_P
   /* Reset some state.  */
   input_location = UNKNOWN_LOCATION;